From 77afb6d4aeadceb28b7221a7fab62dca2295b6fe Mon Sep 17 00:00:00 2001
From: ATGE <german.eduardo.qm@gmail.com>
Date: Wed, 14 Apr 2021 18:53:48 -0400
Subject: [PATCH] #469 Add event logs java example

---
 content/java/EventLogs.java.md | 154 +++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 content/java/EventLogs.java.md

diff --git a/content/java/EventLogs.java.md b/content/java/EventLogs.java.md
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+---
+title: "Working with Event Logs"
+description: "Some examples of Event Log"
+date: "2021-04-14"
+classes: 
+    - "SoftLayer_Event_Log"
+tags:
+    - "eventlogs"
+    - "resultlimit"
+---
+# Event Log
+This example deals with a few ways of pulling data from [SoftLayer_Event_Log](https://sldn.softlayer.com/reference/services/SoftLayer_Event_Log/). Also, uses the latest version of the SoftLayer API Client for Java (`v0.3.2` at the time of publishing this example), which does not support object filters available in the SoftLayer API, so programmatic filters are used instead.
+
+```java
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.softlayer.api.ApiClient;
+import com.softlayer.api.RestApiClient;
+import com.softlayer.api.ResultLimit;
+import com.softlayer.api.service.event.Log;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+
+public class EventLogExample {
+
+  private final ApiClient client;
+  private final Log.Service  logService;
+
+  public EventLogExample() {
+    String username = "set-me";
+    String apiKey = "set-me";
+    client = new RestApiClient().withCredentials(username, apiKey).withLoggingEnabled();
+    logService = Log.service(client);
+  }
+
+  public static void main(String[] args) {
+    EventLogExample eventLogExample = new EventLogExample();
+    eventLogExample.getAllTypes();
+    eventLogExample.getUserTypes();
+    eventLogExample.allLogs();
+    eventLogExample.loginLogs();
+    eventLogExample.recentLogs();
+    eventLogExample.systemLogs();
+  }
+
+  /**
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllEventObjectNames.json with no body
+   */
+  private void getAllTypes() {
+    print(logService.getAllEventObjectNames());
+  }
+
+  /***
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllUserTypes.json with no body
+   */
+  private void getUserTypes() {
+    print(logService.getAllUserTypes());
+  }
+
+  /***
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllObjects.json?resultLimit=0,50 with no body
+   */
+  private void systemLogs() {
+    List<Log> logs=getAllEvents(false);
+    String systemName="SYSTEM";
+    List<Log> systemLogs = logs.stream()
+            .filter(log -> systemName.equalsIgnoreCase(log.getEventName()))
+            .collect(Collectors.toList());
+    printEventLogs(systemLogs);
+  }
+
+  /**
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllObjects.json?resultLimit=0,50 with no body
+   */
+  private void recentLogs() {
+    LocalDate daysAgo = LocalDate.now().minusDays(30);
+    List<Log> logs=getAllEvents(false);
+    List<Log> recentLogs = logs.stream()
+            .filter(log -> log.getEventCreateDate()
+                    .toZonedDateTime()
+                    .toLocalDate()
+                    .compareTo(daysAgo)>0)
+            .collect(Collectors.toList());
+    printEventLogs(recentLogs);
+  }
+
+  /**
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllObjects.json?resultLimit=0,50 with no body
+   */
+  private void loginLogs() {
+    List<Log> logs=getAllEvents(false);
+    String loginName="login";
+    List<Log> loginLogs = logs.stream()
+            .filter(log -> log
+                    .getEventName()
+                    .toLowerCase()
+                    .contains(loginName))
+            .collect(Collectors.toList());
+    printEventLogs(loginLogs);
+  }
+
+  /**
+   * Running GET on https://api.softlayer.com/rest/v3.1/SoftLayer_Event_Log/AllObjects.json?resultLimit=0,50 with no body
+   */
+  private void allLogs() {
+    printEventLogs(getAllEvents(false));
+  }
+
+
+  /**
+   * Pages through all results from the Event_Log. This might take long time.
+   */
+  private List<Log> getAllEvents(boolean allEvents) {
+    List<Log> result=new ArrayList<>();
+    int limit =50;
+    int offset =0;
+    ResultLimit resultLimit =new ResultLimit(offset,limit);
+    boolean iterateEvents=true;
+
+    while(iterateEvents) {
+      logService.setResultLimit(resultLimit);
+      List<Log> logs = logService.getAllObjects();
+      result.addAll(logs);
+      if (logs.size() < resultLimit.limit) {
+        iterateEvents = false;
+      }
+      offset+=limit;
+      resultLimit=new ResultLimit(offset,limit);
+      iterateEvents=iterateEvents&&allEvents;
+    }
+    return result;
+  }
+
+  void print(Object object) {
+    Gson gson = new GsonBuilder().setPrettyPrinting().create();
+    String json;
+    json = gson.toJson(object);
+    System.out.println(json);
+  }
+
+  void printEventLogs(List<Log> logs){
+    for (Log event :logs) {
+      System.out.println(String.format("%s - %s - %s",
+                      event.getEventName(),
+                      event.getEventCreateDate().getTime(),
+                      event.getUserType()));
+    }
+  }
+}
+```
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